Generic name: Clopidogrel.

Plavix is an anticoagulant/blood thinner. It works by decreasing the production of blood-clotting substances by the liver. 

Quick Facts About Plavix


Used to treat and/or prevent blood clots found with arterial disease, heart attacks, strokes, and other vascular diseases.

Plavix Dosage

Take exactly as prescribed, with or without food.

  • Usual adult dose:  75 milligrams once per day.
  • Usual child dose: not generally recommended for children.
  • Missed dose: take as soon as possible, unless almost time for next dose. In that case, do not take missed dose; go back to regular schedule. Do not double doses.

Plavix Side Effects

Overdose symptoms:

no adverse events reported; however, if you suspect an overdose, immediately seek medical attention.

More common side effects: abdominal pain, diarrhea, indigestion, gastrointestinal bleeding, prolonged bleeding time.

Less common Plavix side effects: accidental injury, bronchitis, chest pain, cough, depression, difficulty breathing, dizziness, fatigue, flu-like symptoms, headache, hemorrhage, high blood pressure, high cholesterol, itching, joint pain, nausea, nosebleed, pain, rash, stuffy nose, swelling, upper respiratory tract infection, upset stomach, urinary tract infection.


Inform your doctor before combining Plavix with:

anticoagulants such as heparin and warfarin (Coumadin); aspirin; fluvastatin (Lescol); NSAIDs such as Advil, Anaprox, and Nuprin; phenytoin (Dilantin); tamoxifen (Nolvadex); tolbutamide (Orinase); torsemide (Demadex).

No known food/other substance interactions.

Special Cautions

Effects on pregnant women not known. If pregnant or planning to become pregnant, inform your doctor immediately. Appears in breast milk; could affect a nursing infant.

No special precautions apply to seniors.

Not generally prescribed for children.

  • Use with caution if you have a history of: gastroin-testinal bleeding, including ulcers, hemorrhaging, or other bleeding disorders; liver disease.
  • May take longer than usual to stop bleeding. Report any unusual bleeding to your doctor.
  • Inform all doctors and dentists of treatment.
  • High risk of increased bleeding from trauma or surgery. If undergoing elective surgery, discontinue treatment 7 days prior to surgery.
  • Do not take if sensitive to or allergic to Plavix or aspirin and other NSAIDs.
  • Doctor should monitor the time it takes for your blood to clot on a continuous basis.

Note: provides accurate and independent information prescription pills, over-the-counter medicines and natural products. This material is provided for educational purposes only and is not intended for medical advice, diagnosis or treatment. If you have questions about  dosage, or Plavix side effects, please contact your healthcare provider